# -*- coding: utf-8 -*-
#
# Copyright 2018-2020 Data61, CSIRO
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


class NodeAttributeSpecification:
    """
    .. warning::

        This has been removed, since it was reproducing functionality from more flexible libraries
        like pandas and sklearn.
    """

    def __init__(self):
        raise ValueError(
            "this functionality has been removed; please use pandas or sklearn for feature preparation"
        )
